450 



A HISTORY OF RECENT CRUSTACEA 



GAS 



Gastric region, 52 



Gastroliths, 83 



Gastrosaccus, 2fi7, 277 ; sanctns, 

 spinifer, 277 ; Normani, 278 



Gebia, synonym of Upogebia, 185 



Gebios, synonym of Upogebia, 185 



Gecarcinidfe defined, 78 



Gecaroinucus, 79 



Gecarcinus, 79 ; curious particulars 

 of, 80 ; ruricola, 80 ; lagostoma, 

 84 



Gecarcoidea, 79, 80 



Gelasimus, 88 ; arcuatus, 88, 89, 

 91; pugilator, vocans, 89; 

 minax, 91 



Genders of generic names, discus- 

 sion of, 75, 1 20 



Genera, protest against multiply- 

 ing, 227 ; minute distinctions 

 of, 323 ; attempts at reduction 

 of, 360 



Gennadas, batbymetrical range 

 of, 19 ; eyestallc of, 220 



Geograpsus, 94 



Geothelphusa, 76 



Gerstaecker, Dr., work on Crus- 

 tacea by, 360 



Geryon, quinqnedens, eggs of, 62 ; 

 doubtful systematic place of, 

 93 ; tridens, luminous eyes of, 

 103 



Gesner, on the habits of Pinno- 

 theres, 100 ; criticism nf Aris- 

 totle by, 164 



Giard, Professor, explanation of 

 ' spurious females ' by, 109, 396 



Giard and Bonnier, on Epicaridea, 

 392, 393, 396, 399, &c. 



Gigantione Moebii, 414 



Gigantostraca, the sub-class, 6 ; 

 rarity of, 10 



Glaucothoe, 170 ' 



Globigerina ooze, species taken on, 

 201 



Glossobius, synonym of Cerato- 

 thoa, 353, 354 



Glyphocrangon, distribution of, 



GEA 



229; large eyes and powerful 

 telson of, 230 ; aculea kus, granu- 

 losis, riraapes, 230 



Gly ptonotus, antarcticus, entomon, 

 372 



Gnathia, marsupial arrangement 

 in, 300; cerina, formica, Hali- 

 daii, maxil'aris, 337 ; asciaferus, 

 bathybius, Uanielii, gigas, 338 



Gnathiidas defined, 335 



Gnaihophausia, ingens, size of, 

 28; gigas, Goliath, 29; cha- 

 racters of the genus, 258 ; cal- 

 carata, gracilis, gigas, ingens, 

 260 



Gnathopods, 42 



Gnathostoma, a sub-order of Cope- 

 poda, 10 



Gomeza, 76 



Gonatonotus, 246 



Gonerichthus, larva of Gono- 

 dactylus, 290 



Goniograpsus marmoratus, 94 



Goniopsis, manners of, 98 



Goniosoma cruciferum, synonym 

 of Chary bdis cruciatus, 70 



Gonodactylus, falcatus, chiragra, 

 286 



Gonoplax, aliaii Goneplat, Gone- 

 plax, 91 ; angulata, rhomb' lides, 

 sinuatifrons, 92 ; rhomboides, 

 long-stalked eyes of, 35 



Goodsir, Harry, eyes of Cumacea 

 described by, 292; on develop- 

 ment of Cumacea, 293 



Gosse, P. H., on action of fiddler- 

 crabs, 66 



Graeffe, Dr., on the toilette of the 

 Oxyrrhyncha, 112, 113 



Grapsicepon, 412 ; Edwardsl, 

 Fritzii, messoris, 413 



Grapsidse defined, 93 



Grapsion, 405, 406 ; Cavolinii, 407 



Grapsus, respiration of, 87, 97 ; 

 habits of, 94 ; maculatus, 93 ; 

 marmoratu.«i, pictus, 94 



Grass Crab, the, 75 



* MM. Olievrcux and Bouvier have recently confirmed the opinion that the genua 

 Glaumlliol represents only larval forms, and they argue that these belong rather to tho 

 family Paguridte than to the Parapagnrida. 



